DE59410379D1 - Process for producing molten iron - Google Patents

Process for producing molten iron

Info

Publication number
DE59410379D1
DE59410379D1 DE59410379T DE59410379T DE59410379D1 DE 59410379 D1 DE59410379 D1 DE 59410379D1 DE 59410379 T DE59410379 T DE 59410379T DE 59410379 T DE59410379 T DE 59410379T DE 59410379 D1 DE59410379 D1 DE 59410379D1
Authority
DE
Germany
Prior art keywords
molten iron
producing molten
producing
iron
molten
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE59410379T
Other languages
German (de)
Inventor
Dipl-Ing Fritz
Dr Dipl-Ing Dimitrov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Primetals Technologies Austria GmbH
Original Assignee
Voest Alpine Industrienlagenbau GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3535314&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE59410379(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voest Alpine Industrienlagenbau GmbH filed Critical Voest Alpine Industrienlagenbau GmbH
Application granted granted Critical
Publication of DE59410379D1 publication Critical patent/DE59410379D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/527—Charging of the electric furnace
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
    • C22B7/02—Working-up flue dust
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28—Manufacture of steel in the converter
    • C21C5/36—Processes yielding slags of special composition
    • C21C2005/366—Foam slags
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/16—Introducing a fluid jet or current into the charge
    • F27D2003/161—Introducing a fluid jet or current into the charge through a porous element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/02—Observation or illuminating devices
    • F27D2021/026—Observation or illuminating devices using a video installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
    • F27D21/0035—Devices for monitoring the weight of quantities added to the charge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D3/0025—Charging or loading melting furnaces with material in the solid state
    • F27D3/0026—Introducing additives into the melt
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation
    • Y02A40/924—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation using renewable energies
    • Y02A40/928—Cooking stoves using biomass
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
DE59410379T 1993-12-10 1994-12-05 Process for producing molten iron Expired - Lifetime DE59410379D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT249593A AT400245B (en) 1993-12-10 1993-12-10 METHOD AND SYSTEM FOR PRODUCING A MELTING IRON

Publications (1)

Publication Number Publication Date
DE59410379D1 true DE59410379D1 (en) 2004-08-05

Family

ID=3535314

Family Applications (1)

Application Number Title Priority Date Filing Date
DE59410379T Expired - Lifetime DE59410379D1 (en) 1993-12-10 1994-12-05 Process for producing molten iron

Country Status (5)

Country Link
US (1) US5611838A (en)
EP (1) EP0657549B1 (en)
AT (1) AT400245B (en)
CA (1) CA2137766A1 (en)
DE (1) DE59410379D1 (en)

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DE4434369C2 (en) * 1994-09-15 1997-08-07 Mannesmann Ag Method and device for the metallurgical treatment of iron
WO1996019591A1 (en) * 1994-12-20 1996-06-27 Usx Corporation Process and apparatus for the manufacture of steel from iron carbide
BE1009828A3 (en) * 1995-07-13 1997-10-07 Centre Rech Metallurgique Method of recovering iron-rich iron and steel manufacturing residues
SE505602C2 (en) * 1995-11-14 1997-09-22 Interproject Service Ab Method of destroying rubber-based material and plastic material
AUPO426396A0 (en) * 1996-12-18 1997-01-23 Technological Resources Pty Limited A method of producing iron
AT405054B (en) * 1997-06-18 1999-05-25 Voest Alpine Ind Anlagen METHOD AND PLANT FOR PRODUCING AN IRON MEL WITH THE USE OF IRON-CONTAINING RESIDUAL MATERIALS
DE19744151C5 (en) * 1997-10-07 2004-08-26 Outokumpu Oyj Process for melting fine-grained, directly reduced iron in an electric arc furnace
AUPP554098A0 (en) * 1998-08-28 1998-09-17 Technological Resources Pty Limited A process and an apparatus for producing metals and metal alloys
SE512757C2 (en) 1998-09-03 2000-05-08 Uddeholm Technology Ab Addition of doping agents in the manufacture of steel in arc furnaces, doping agents and their use
LU90327B1 (en) * 1998-12-16 2000-07-18 Wurth Paul Sa Proc-d- for placing fines in a furnace - arc
AT407752B (en) * 1999-04-22 2001-06-25 Voest Alpine Ind Anlagen METHOD AND DEVICE FOR MELTING METAL MATERIAL
DE19925144C2 (en) * 1999-06-02 2001-04-19 Metallgesellschaft Ag Process for the production of foam slag
LU90409B1 (en) * 1999-06-25 2001-01-02 Wurth Paul Sa Proc-d- for optimizing the operation of an electric furnace of the - submerged arc- type
AUPQ308799A0 (en) * 1999-09-27 1999-10-21 Technological Resources Pty Limited A direct smelting process
EP1252346B1 (en) * 2000-01-28 2003-08-20 Holcim Ltd. Method for reprocessing dust or dust mixtures
SE517296C2 (en) * 2000-02-17 2002-05-21 Uddeholm Technology Ab Method of manufacturing steel in arc furnace using granulated pig iron
BR0207370B1 (en) * 2001-02-23 2010-08-10 process of producing liquid cast iron in an electric furnace.
US20030015063A1 (en) * 2001-07-20 2003-01-23 Mcclintock Willard K. Steel making material recycling system
DE10333764B3 (en) * 2003-07-23 2004-12-30 Outokumpu Oy Charging fine, directly-reduced iron particles into arc furnace, passes stream of bulk material from downcomer through orifice plate, to enter furnace largely undisturbed
SE527672C2 (en) * 2004-04-07 2006-05-09 Outokumpu Stainless Ab Methods of producing a flux, flux, and method in the manufacture of steel
WO2006024069A1 (en) 2004-09-03 2006-03-09 Newsouth Innovations Pty Limited Production of ferro-alloys
AU2005279678B2 (en) * 2004-09-03 2011-06-23 Newsouth Innovations Pty Limited Production of ferro-alloys
RU2415179C2 (en) * 2005-07-22 2011-03-27 Сименс Акциенгезелльшафт Procedure for evaluation of parametre of electric arc furnace state and electric arc furnace
AT502904B1 (en) 2005-12-07 2008-02-15 Voest Alpine Ind Anlagen CONVEYOR SYSTEM, PLANT ASSEMBLY AND METHOD OF COUPLING METALLURGICAL PROCESSES
DE102006023259A1 (en) * 2006-05-18 2007-11-22 Alzchem Hart Gmbh Use of residual and / or waste materials in electric low-shaft kilns
DE102007050478A1 (en) * 2007-10-23 2009-04-30 Sms Demag Ag Process for stainless steel production with direct reduction furnaces for ferrochrome and ferronickel on the primary side of a converter
DE102008006958A1 (en) * 2008-01-31 2009-08-06 Siemens Aktiengesellschaft Method for operating an electric arc furnace with at least one electrode, regulating and / or control device, machine-readable program code, data carrier and electric arc furnace for carrying out the method
DE102008045054A1 (en) * 2008-08-26 2010-03-04 Sms Siemag Aktiengesellschaft Process for the foaming slag control of a stainless melt in an electric arc furnace
CA2802342A1 (en) * 2009-06-24 2011-01-13 Third Millennium Metals, Llc Copper-carbon composition
MX2012009067A (en) 2010-02-04 2013-01-28 Third Millennium Metals Llc Metal-carbon compositions.
FI2564141T4 (en) * 2010-04-26 2024-02-02 Hatch Ltd Measurement of charge bank level in a metallurgical furnace
CN102042763A (en) * 2010-12-01 2011-05-04 张昭贵 Sleeve coal spraying gun with viewing function
CN104024155A (en) 2011-03-04 2014-09-03 第三千禧金属有限责任公司 Aluminum-carbon compositions
RU2476601C1 (en) * 2011-07-14 2013-02-27 Учреждение Российской академии наук Институт металлургии и материаловедения им. А.А. Байкова РАН Method for electric-arc carbon-thermal reduction of iron from titanomagnetite so that metal product is obtained in form of powder and granules, and device for its implementation
CN105940122A (en) * 2014-01-31 2016-09-14 沙特基础工业公司 Methods for producing improved steels by injecting iron containing by-products of iron ore production process into liquid steel
RU2567425C1 (en) * 2014-04-11 2015-11-10 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Method of steel making in arc-type steel-making furnace
RU2567424C1 (en) * 2014-04-11 2015-11-10 Федеральное государственное автономное образовательное учреждение высшего профессионального образования "Национальный исследовательский технологический университет "МИСиС" Method of steel melting out of iron-ore iron-rich pellets in electric arc furnace
CN104492599B (en) * 2014-12-08 2017-01-11 沈阳航空航天大学 Treatment method of graphite dust
CN104630411A (en) * 2015-03-10 2015-05-20 中冶南方工程技术有限公司 QDF electric steelmaking process
WO2017136679A1 (en) * 2016-02-04 2017-08-10 Liquid Minerals Group Ltd. A system and method for disrupting slag deposits and the compositions used
US20170280519A1 (en) * 2016-03-25 2017-09-28 Air Liquide Industrial U.S. Lp Inert gas blanketing of electrodes in an electric arc furnace
CN106119543B (en) * 2016-07-01 2019-03-08 北京中凯宏德科技有限公司 Metallurgical electric furnace and method of smelting
DE102017127626A1 (en) * 2017-11-22 2019-05-23 Sms Group Gmbh Method for controlling the afterburning of waste gases resulting from the production of steel and non-ferrous metals
EP3775296A1 (en) * 2018-03-30 2021-02-17 Tata Steel Nederland Technology B.V. Method for off-gas composition control in a metal smelting apparatus
DE102020116425A1 (en) 2020-06-22 2021-12-23 Salzgitter Flachstahl Gmbh Process for the production of crude steel with a low N content
CN112595093B (en) * 2020-11-26 2022-05-27 天津水泥工业设计研究院有限公司 Electrode heating process and device capable of blowing powder for electric arc furnace
EP4012311A1 (en) * 2020-12-10 2022-06-15 Linde GmbH Electrode for an electric arc furnace
LU102322B1 (en) * 2020-12-17 2022-06-21 Wurth Paul Sa Green production route for low carbon, low nitrogen steel
PL436679A1 (en) * 2021-01-18 2022-07-25 Sieć Badawcza Łukasiewicz - Instytut Metalurgii Żelaza Im. Stanisława Staszica W Gliwicach Method of steel making directly from iron ore
DE102022132960A1 (en) * 2022-12-12 2024-06-13 Thyssenkrupp Steel Europe Ag Process for producing molten iron and liquid slag in an electric melter
CN116907204B (en) * 2023-09-08 2023-11-28 山西吕梁山矿产品有限公司 Device and method for smelting brown fused alumina

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ATA155793A (en) * 1993-08-04 1996-04-15 Voest Alpine Ind Anlagen METHOD FOR PRODUCING A METAL MELT AND SYSTEM FOR IMPLEMENTING THE METHOD

Also Published As

Publication number Publication date
CA2137766A1 (en) 1995-06-11
EP0657549B1 (en) 2004-06-30
EP0657549A1 (en) 1995-06-14
US5611838A (en) 1997-03-18
ATA249593A (en) 1995-03-15
AT400245B (en) 1995-11-27

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Legal Events

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8363 Opposition against the patent
8365 Fully valid after opposition proceedings